"Time Masters" is a term often used to describe individuals or entities that have the ability to manipulate or control time. This concept appears in various forms of media, including literature, film, and television, where characters can travel through time, alter events, or foresee the future. The idea raises questions about fate, free will, and the consequences of changing past events. In popular culture, Time Masters are frequently depicted as guardians or protectors of the timeline, ensuring that history unfolds as it should. They may possess advanced technology or magical abilities that allow them to navigate different eras. Notable examples include characters from Doctor Who and The Time Machine by H.G. Wells.